Modernization and optimization of a health app
Originally developed by a third party in 2017, the app was technically outdated and no longer available in app stores. As part of this project, the application was modernized through refactoring and updating the software frameworks (e.g., Angular 5) so that it could be re-released in app stores (Google Play, Apple App Store) and further developed in the long term.
Our Workflow Based on the
Scrum Framework
Process
In short sprints, the team iteratively implements product requirements from the backlog and regularly aligns with the Product Owner.
Benefits
This approach makes us flexible and responsive, ensuring that feedback flows directly into the product.
We work in close collaboration as a team, creating user-centered solutions of the highest quality.
Clear processes and regular reviews provide transparency and confidence for everyone involved.
The problem
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After the last update in 2023, the app was no longer functional and could no longer be used by patients.
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The existing code was outdated, confusing, and lacked a clear structure or sufficient documentation.
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The original development team was no longer available.
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The actual scope of the project was initially underestimated—what was supposed to be a minor update turned into a comprehensive renovation project.
Our expertise
code refactoring
We take on fragmented, outdated code bases without documentation and make them work again.
Through structured refactoring and technological updates, we create a stable basis for long-term maintainability.
Reverse Engineering & functional reconstruction
Even without clear requirements or comprehensible code logic, we can understand, analyze, and reactivate existing applications—including data migration and ensuring core functionalities.
App development with offline capability
We develop cross-platform apps with a focus on performance, stability, and user-friendliness. Offline use, push notifications, and GDPR-compliant data processing included.
Patient-centered features & usability optimization
QR code login, personalized recommendations, and visually appealing dashboards create clear added value for patients in their everyday lives. The app remains intuitive and easy to use—even for users who are not tech-savvy.
Seamless cloud integration & data security
We rely on Firebase Hosting and Firestore to enable secure, scalable, and resource-efficient data processing. Our focus is on GDPR compliance and high system availability.
Agile development & close coordination with specialist departments
Even for projects where the customer has no technical knowledge, we actively ensure reliable results through clear communication, strict prioritization, and transparent processes.
What core features have been implemented?
What makes the ANS Clinic app
special from a technical perspective
Frontend
- Angular + TypeScript + Ionic: Enables component-based development for a clear code structure, fast feature implementation, and reusable UI elements.
- Capacitor: Utilizes native device features such as push notifications without sacrificing the advantages of a shared web code base.
- Responsive & Mobile First: Optimized for smartphones and tablets, intuitive to use, even for patients who are not tech-savvy
Backend, Cloud & Infrastructure
- Node.js: Flexible backend for processing and preparing patient data
- Firebase Functions (serverless): Scalable, maintenance-free, and ready to use immediately without having to administer your own servers.
- Firestore & SQLite: Fast, flexible data storage both online and offline; enables seamless use even with unstable connections
- Firebase Hosting – Automatic scaling, high availability, and minimal maintenance
Special Features
- QR code login for secure and unique patient identification without complicated registration
- Push notifications as daily reminders for data entry and treatment adherence
- Personalized recommendations based on configured therapy requirements
- GDPR-compliant data processing and secure cloud integration for maximum patient safety
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Together, we'll create a product users genuinely love.
our references
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And when can we add your project to our success stories?
